Argo CD: 62,236 hosts fingerprinted, but only 497 answer on its documented port 8080

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A ZoomEye search on 26 October 2026 found 62,236 hosts matching the Argo CD fingerprint, the largest internet footprint measured in the series. Only 497 of them, under one percent, respond on port 8080, the port used in the getting-started instructions. Most deployments instead sit behind an ingress on port 443 with TLS, and about 25,079 hosts were found there. The analysis also notes the fingerprint's near-identical match to the page title makes it fragile across future releases, and that a port-based scan would miss over 99 percent of the population. Argo CD is highlighted as a sensitive target because it holds credentials for managed clusters and exposes repository and cluster details.

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